CVE-2025-23724
Published: 23 January 2025
Summary
CVE-2025-23724 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 39.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).
Deeper analysis
CVE-2025-23724 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the University Quizzes Online WordPress plugin by oleksandr87. The issue affects all versions of the plugin from unknown initial release through 1.4 inclusive, allowing malicious input to be reflected and executed in users' browsers without proper sanitization.
The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating network accessibility, low attack complexity, no required privileges, and user interaction such as clicking a malicious link. Unauthenticated attackers can exploit it by crafting payloads delivered via web requests, achieving limited impacts on confidentiality, integrity, and availability with a changed scope, typically enabling JavaScript execution in the victim's context to steal session data or perform other client-side actions.
Patchstack's advisory at https://patchstack.com/database/Wordpress/Plugin/university-quizzes-online/vulnerability/wordpress-university-quizzes-online-plugin-1-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve provides details on the vulnerability in the WordPress University Quizzes Online plugin version 1.4. Security practitioners should update to a patched version if available or disable the plugin on affected sites.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-3372
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in oleksandr87 University Quizzes Online university-quizzes-online allows Reflected XSS.This issue affects University Quizzes Online: from n/a through <= 1.4.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS vulnerability in public-facing WordPress plugin directly enables exploitation via crafted web requests and malicious links that trigger JS execution in victim's browser.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Filters and encodes information outputs to neutralize malicious scripts reflected from user inputs, directly preventing XSS execution in victims' browsers.
Validates all user inputs against defined criteria to reject or sanitize malicious payloads before they are reflected in web page generation.
Identifies and remediates the specific flaw in the University Quizzes Online plugin that fails to neutralize reflected inputs, eliminating the vulnerability through patching.